“I don’t have a magic wand that would enable us to do that,” Carper said during the primary debate. “It would cost a pretty penny.”

The incumbent senator has been a staple in Delaware politics for decades. Beginning his statewide career as treasurer in 1977, he later held the position of Delaware’s U.S. representative for the at-large district. Carper was governor of the state for almost a decade before entering the senate in 2001. He has never lost an election.

In the final days leading up to the election, progressives pushed to flip the already-blue seat farther to the left. Harris received an endorsement from Democratic socialist and New York congressional hopeful Alexandria Ocasio-Cortez.

“My gut tells me that they believe that Kerri is the next Alexandria Ocasio-Cortez and they believe that I’m somehow the next Joe Crowley,” Carper said, acknowledging the progressive push to oust him.

Carper will face Sussex County councilman and former Trump state campaign chair Rob Arlett in November’s midterm election.

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